へいせい 平静 Common word Wanikani level 18 Play audio Show 1 collocation 平静を保つ - to keep one's temper LinksSentence search for 平静Sentence search for へいせいKanji details for 平 and 静Edit in JMdict Na-adjective (keiyodoshi), Noun1. calm; serenity; tranquillity; tranquility Discussions Log in to talk about this word.